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Updated: Apr 16, 2026

Generation of Hypoparathyroid Rats via Carbon-Nanoparticle-Assisted Parathyroidectomy
Published on: July 14, 2023
[Parathyroid Hormone-related Peptide (PTHrP) Producing Lung Cancer Presenting Hypercalcemia; Report of a Case]
Takehiko Okagawa1, Yoshinori Hiramatsu
1Division of Thoracic Surgery, Toyota Kosei Hospital, Toyota, Japan.
Abstract:
An 82-year-old man was admitted to our hospital with hemoptysis and weight loss. Chest computed tomography(CT) showed a 90 mm mass with cavity formation in the right lower lobe adjacent to chest wall. Laboratory data revealed hypercalcemia and elevation of parathyroid hormone-related protein C (PTHrP). He was diagnosed as squamous cell carcinoma of lung by transbronchial lung biopsy (TBLB) [cT3aN1M0]. Nausea and anorexia due to hypercalcemia became worse and a right middle and lower lobectomy was performed because of difficult control of symptoms by medicine and worsening of his general condition. His symptoms were improved immediately after surgery.
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